<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h2>{{dec}}</h2>
        <!-- pre 不编译指令，这个指令不需要表达式 -->
        <h2 v-pre>{{dec}}</h2>
    </div>
    <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.js"></script>
		<script type="text/javascript">
		 var vm = new Vue({
            el:"#app",
            data:{
                dec:"v-pre渲染"
            }
        })
		</script>
    
</body>
</html>